"This Water may be prepared by triturating the oil of peppermint with twice its weight of calcium phosphate and five hundred times its volume of distilled water, and filtering the mixture. In tropical and subtropical parts of the Empire this Water may be used in place of the corresponding Water of the text of the British Pharmacopoeia." Br.

Uses.—Peppermint water is one of the most popular of the aqueous vehicles. It is especially useful as an ingredient in mouth washes because the menthol content produce's a pleasant and cool sensation on mucous membranes.